Registration Dossier
Registration Dossier
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EC number: 291-833-0 | CAS number: 90480-94-7
Appearance / physical state / colour
Administrative data
- Endpoint:
- appearance / physical state / colour
- Type of information:
- other: qualitative assessment
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Evidence due to substance handling and observation. The test substance is described in the analytical report in section 1.4.
Data source
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
Test material
- Reference substance name:
- Phenol, 4-amino-, reaction products with 4-(2-naphthalenylamino)phenol and sodium sulfide (Na2(Sx))
- EC Number:
- 291-833-0
- EC Name:
- Phenol, 4-amino-, reaction products with 4-(2-naphthalenylamino)phenol and sodium sulfide (Na2(Sx))
- Cas Number:
- 90480-94-7
- Molecular formula:
- not applicable
- IUPAC Name:
- Reaction product of 4-aminophenol with 4-(2-naphthalenylamino)phenol and sodium polysulfide
- Test material form:
- solid
- Details on test material:
- Test item: Leuco Sulphur Black 11
Appearance: black solid
CAS No: 90480-94-7
EC No: 291-833-0
Constituent 1
Results and discussion
- Physical state at 20°C and 1013 hPa:
- solid
Form / colour / odour
- Key result
- Form:
- solid: particulate/powder
- Colour:
- black
- Odour:
- other: slightly aromatic
- Substance type:
- organic
Applicant's summary and conclusion
- Conclusions:
- The substance is a black powder at 20 ºC and 1013 hPa
- Executive summary:
The substance appearance is known from its handling and observation.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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